mpeg.c File Reference

Go to the source code of this file.

Classes
struct	MpegDemuxContext
Functions
static int	cdxa_probe (AVProbeData *p)
static int	check_pes (uint8_t *p, uint8_t *end)
static int	mpegps_probe (AVProbeData *p)
static int	mpegps_read_header (AVFormatContext *s, AVFormatParameters *ap)
static int64_t	get_pts (ByteIOContext *pb, int c)
static int	find_next_start_code (ByteIOContext *pb, int *size_ptr, int32_t *header_state)
static int	find_prev_start_code (ByteIOContext *pb, int *size_ptr)
static long	mpegps_psm_parse (MpegDemuxContext *m, ByteIOContext *pb)
	Extracts stream types from a program stream map According to ISO/IEC 13818-1 ('MPEG-2 Systems') table 2-35.
static int	mpegps_read_pes_header (AVFormatContext *s, int64_t *ppos, int *pstart_code, int64_t *ppts, int64_t *pdts)
static int	mpegps_read_packet (AVFormatContext *s, AVPacket *pkt)
static int	mpegps_read_close (AVFormatContext *s)
static int64_t	mpegps_read_dts (AVFormatContext *s, int stream_index, int64_t *ppos, int64_t pos_limit)
Variables
AVInputFormat	mpegps_demuxer

---

Function Documentation

static int cdxa_probe

(

AVProbeData *

p

)

[static]

Definition at line 35 of file mpeg.c.

static int check_pes	(	uint8_t *	p,
		uint8_t *	end
	)			[static]

Definition at line 47 of file mpeg.c.

static int mpegps_probe

(

AVProbeData *

p

)

[static]

Definition at line 67 of file mpeg.c.

static int mpegps_read_header	(	AVFormatContext *	s,
		AVFormatParameters *	ap
	)			[static]

Definition at line 106 of file mpeg.c.

static int64_t get_pts	(	ByteIOContext *	pb,
		int	c
	)			[static]

Definition at line 127 of file mpeg.c.

static int find_next_start_code	(	ByteIOContext *	pb,
		int *	size_ptr,
		int32_t *	header_state
	)			[static]

Definition at line 142 of file mpeg.c.

Referenced by mpegps_read_pes_header().

static int find_prev_start_code	(	ByteIOContext *	pb,
		int *	size_ptr
	)			[static]

Definition at line 171 of file mpeg.c.

static long mpegps_psm_parse	(	MpegDemuxContext *	m,
		ByteIOContext *	pb
	)			[static]

Extracts stream types from a program stream map According to ISO/IEC 13818-1 ('MPEG-2 Systems') table 2-35.

Returns:

number of bytes occupied by PSM in the bitstream

Definition at line 210 of file mpeg.c.

Referenced by mpegps_read_pes_header().

static int mpegps_read_pes_header	(	AVFormatContext *	s,
		int64_t *	ppos,
		int *	pstart_code,
		int64_t *	ppts,
		int64_t *	pdts
	)			[static]

Definition at line 241 of file mpeg.c.

Referenced by mpegps_read_dts(), and mpegps_read_packet().

static int mpegps_read_packet	(	AVFormatContext *	s,
		AVPacket *	pkt
	)			[static]

Definition at line 411 of file mpeg.c.

static int mpegps_read_close

(

AVFormatContext *

s

)

[static]

Definition at line 551 of file mpeg.c.

static int64_t mpegps_read_dts	(	AVFormatContext *	s,
		int	stream_index,
		int64_t *	ppos,
		int64_t	pos_limit
	)			[static]

Definition at line 556 of file mpeg.c.

---

Variable Documentation

AVInputFormat mpegps_demuxer

Initial value:

 {
    "mpeg",
    "MPEG PS format",
    sizeof(MpegDemuxContext),
    mpegps_probe,
    mpegps_read_header,
    mpegps_read_packet,
    mpegps_read_close,
    NULL, 
    mpegps_read_dts,
    .flags = AVFMT_SHOW_IDS,
}

Definition at line 588 of file mpeg.c.